CN108378895A - Seal wire guide device and interventional therapy device for interventional treatment - Google Patents
Seal wire guide device and interventional therapy device for interventional treatment Download PDFInfo
- Publication number
- CN108378895A CN108378895A CN201810025998.9A CN201810025998A CN108378895A CN 108378895 A CN108378895 A CN 108378895A CN 201810025998 A CN201810025998 A CN 201810025998A CN 108378895 A CN108378895 A CN 108378895A
- Authority
- CN
- China
- Prior art keywords
- utricule
- hole
- seal wire
- wire guide
- guide device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22094—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for crossing total occlusions, i.e. piercing
Abstract
The invention discloses a kind of seal wire guide devices and interventional therapy device for interventional treatment.The seal wire guide device includes inner catheter, outer catheter and utricule, the inside of the inner catheter has the first pipeline of perforation proximally and distally, the outer catheter is set in the outside of the inner catheter, to form the second pipeline between the outer catheter and the inner catheter, the distal end of second pipeline is closed, the utricule is arranged on the outside of the outer catheter, the utricule and second pipeline connection;Further include at least one through-hole through the utricule, the through-hole and first pipeline connection;The utricule is configured to the energy extending transversely in expanded state, with the position of the fixation through-hole.
Description
Technical field
The present invention relates to interventional therapeutic technique fields, and dress is guided more particularly, to a kind of seal wire for interventional treatment
It sets and interventional therapy device.
Background technology
In the therapeutic process of periphery arteries Chronic total occlusion (CTO), the side of generally use interventional treatment
Method.For example, seal wire reaches occlusion section via the arteries of patient.The point of seal wire directly pierces through occlusion section, is built with reaching
The purpose in vertical channel.
In some cases, the blocking for occluding section is serious, can not be pierced.At this time, it may be necessary to via the blood vessel of the occlusion section
Channel is re-established between inner and outer wall.After seal wire is by between the inner and outer wall of the blood vessel of the occlusion section, weight is needed
It is new to pierce through the inner wall of blood vessel, and return in lumen of vessels, channel could be established in this way.
However, the compliance at the tip of elbow seal wire is larger, cause tip that can not accurately aim at blood vessel, and then carry out
It pierces through.
Accordingly, it is desirable to provide a kind of guide device, to guide the tip of elbow seal wire to be accurately aimed at blood vessel.
Invention content
It is an object of the present invention to provide a kind of new solutions of the seal wire guide device for interventional treatment.
According to the first aspect of the invention, a kind of seal wire guide device for interventional treatment is provided.The seal wire guides
Device includes inner catheter, outer catheter and utricule, and the inside of the inner catheter has the first pipeline of perforation proximally and distally, described
Outer catheter is set in the outside of the inner catheter, described to form the second pipeline between the outer catheter and the inner catheter
The distal end of second pipeline is closed, and the utricule is arranged on the outside of the outer catheter, and the utricule is managed with described second
Road is connected to;
Further include at least one through-hole through the utricule, the through-hole and first pipeline connection;The utricule
It is configured to the energy extending transversely in expanded state, with the position of the fixation through-hole.
Optionally, at least one through-hole includes first through hole and the second through-hole, the first through hole and described second
Through-hole is disposed opposite to each other.
Optionally, the first through hole and second through-hole are located at upper and lower two of the utricule of expanded state and stretch
On developable surface.
Optionally, further include developing apparatus, the developing apparatus is corresponded with the through-hole, corresponding described to mark
The position of through-hole.
Optionally, the developing apparatus includes ring and arm, and the arm connect with the ring and along the axis of the ring
To extension, the ring is located in the utricule and is set in the outside of the inner catheter, and the arm is directed toward the through-hole.
Optionally, the material for making developing apparatus includes at least one of platinum, tungsten, bismuth and barium metal material, or
The alloy material of above-mentioned at least two metal material of person, or the high molecular material added with above-mentioned at least one metal material.
Optionally, further include bull female Luer, the bull female Luer and the inner catheter and the outer catheter
Proximal end connect, the bull female Luer include with the first entrance of first pipeline connection and with second pipeline connection
Second entrance.
Optionally, brine is filled into utricule so that the utricule extending transversely.
Optionally, the utricule, the inner catheter and the outer catheter are integrally formed;Or
The utricule is connect by binder with the inner catheter and the outer catheter.
According to the second aspect of the invention, a kind of interventional therapy device is provided.The interventional therapy device includes that elbow is led
Silk and the seal wire guide device for interventional treatment provided by the invention, the tip of the elbow seal wire is via described logical
The inner wall of blood vessel is pierced through in hole, to enter in lumen of vessels.
According to one embodiment of the disclosure, when in use, first, seal wire guide device is sleeved on the outside of common seal wire,
And advance along common seal wire, common seal wire is located in the first pipeline.Finally, the utricule for being in original state (i.e. contraction state) arrives
Up to the distal end of the occlusion section of blood vessel, and utricule is located between the inner wall and the outer wall of blood vessel of blood vessel.At this point, at least one through-hole
Positioned at the distal end of occlusion section;
Then, utricule is filled by the second pipeline.For example, brine or gas are filled into utricule by the second pipeline,
So that utricule extending transversely.For example, brine is physiological saline, this liquid even if a leak occurs will not cause human body big
Damage.For example, gas is nitrogen.Since volume becomes larger after utricule extending transversely, therefore utricule is sandwiched in the inner wall and outer wall of blood vessel
Between, at the same time, at least one through-hole is positioned in the distal end of occlusion section;
Next, common seal wire is extracted out;
Finally, elbow seal wire is stretched into blood vessel via the inner cavity of seal wire guide device, and point is made to pass through through-hole,
And the inner wall for wearing out blood vessel, to reach in lumen of vessels.In this way, completing the foundation in channel.
After the completion of Path Setup, by the gas accommodated in utricule or fluid removal, and seal wire guide device is taken out.
The structure of the seal wire guide device is simple, and operation is easy, and through-hole can be accurately positioned by the extending transversely of utricule
Position, to make blood vessel inner wall trepanning position it is more accurate.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the structural schematic diagram of seal wire guide device according to an embodiment of the invention.
Fig. 2 is the sectional view of the utricule according to an embodiment of the invention in contraction state.
Fig. 3 is the sectional view of another utricule according to an embodiment of the invention in contraction state.
Fig. 4 is the schematic diagram of the utricule according to an embodiment of the invention in expanded state.
Fig. 5 is the front view of developing apparatus according to an embodiment of the invention.
Fig. 6 is the side view of developing apparatus according to an embodiment of the invention.
Fig. 7 is the schematic diagram of the seal wire guide device of use state according to an embodiment of the invention.
Reference sign:
10:Elbow seal wire;18:The inner wall of blood vessel;44:Lumen of vessels;46:The outer wall of blood vessel;50:Seal wire guide device;51:
Inner catheter;52:Outer catheter;53:Utricule;55:First pipeline;56:Second pipeline;57:First through hole;58:Second through-hole;59:
Bull female Luer;60:First developing apparatus;61:First entrance;62:Second entrance;63:Ring;64:Arm;65:Second is aobvious
Image device;66:Outlet;67:First stretching surface;68:Second stretching surface.
Specific implementation mode
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that:Unless in addition having
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Fig. 1 is the structural schematic diagram of seal wire guide device according to an embodiment of the invention.
As shown in Figure 1, the seal wire guide device 50 for being used for interventional treatment includes inner catheter 51, outer catheter 52 and utricule
53.The inside of inner catheter 51 has the first pipeline 55 of perforation proximally and distally.The distal end of first pipeline 55 has outlet 66.
When stretching into seal wire guide device, outlet 66 is sleeved on to the proximal end of guide line first, is stretched into then along guide line.Guide line is used for
Guiding seal wire guide device stretches into blood vessel.For example, guide line is common seal wire.Common seal wire is the seal wire of straight line.Outer catheter
52 are set in the outside of inner catheter 51, to form the second pipeline 56 between outer catheter 52 and inner catheter 51.Second pipeline 56
Distal end is closed.Utricule 53 is arranged on the outside of outer catheter 52.Utricule 53 is connected to the second pipeline 56.
Seal wire guide device 50 further includes at least one through-hole through utricule 53.Through-hole is connected to the first pipeline 55.Capsule
Body 53 is configured to the energy extending transversely in expanded state, with the position of fixed hole.When seal wire guide device 50 stretches into blood vessel
When middle, utricule 53 is in contraction state, to reduce outer diameter, in order to be transported to the setting position of blood vessel.
In addition, the contraction of utricule 53 can exclude internal gas, can prevent from forming vapour lock in this way, so that liquid
The full medium of state is easier to enter.As Figure 2-3, utricule 53 can be carried out locally curling or by way of folding
It shrinks.
For example, proximal end refers to close to one end of the operator of seal wire guide device 50, as shown in C in Fig. 1;Distal end refers to
One end far from operator, as shown in D in Fig. 1.As shown in figure 4, extending transversely includes along perpendicular to inside and outside conduit 51,52
Axially direction stretching, extension.Preferably, utricule 53 is symmetrically stretched centered on the axis of inner catheter 51 and outer catheter 52.This makes
The position for obtaining utricule 53 is more secured, and positions more accurate.
Optionally, the material of at least one of inner catheter 51 and outer catheter 52 be plastics, rubber, silica gel, carbon fiber or
Metal etc..The material of utricule 53 is plastics, rubber or silica gel etc..
In embodiments of the present invention, as shown in fig. 7, when in use, first, seal wire guide device 50 is sleeved on the outer of guide line
Side, and advance along guide line, guide line is located in the first pipeline 55.Finally, it is in the utricule of original state (i.e. contraction state)
53 reach the distal end of the occlusion section of blood vessel, and utricule 53 is located between the inner wall 18 of blood vessel and the outer wall 46 of blood vessel.At this point, extremely
A few through-hole is located at the distal end of occlusion section;
Then, utricule 53 is filled by the second pipeline 56.For example, by the second pipeline 56 filled into utricule 53 brine or
Gas, so that 53 extending transversely of utricule.For example, brine is physiological saline, this liquid even if a leak occurs will not be to human body
Cause big damage.For example, gas is nitrogen.Since volume becomes larger after 53 extending transversely of utricule, therefore utricule 53 is sandwiched in blood vessel
Inner wall 18 and outer wall 46 between, at the same time, at least one through-hole (for example, first through hole 57) be positioned in occlusion section it is remote
End;
Next, guide line is extracted out;
Finally, elbow seal wire 10 is stretched into blood vessel via the inner cavity of seal wire guide device 50, and point is made to pass through
Through-hole, and the inner wall 18 of blood vessel is worn out, to reach in lumen of vessels 44.In this way, completing the foundation in channel.
After the completion of Path Setup, the gas or fluid removal that will be accommodated in utricule 53, and take out seal wire guide device
50。
The distal end of elbow seal wire 10 is bending or bending close to the position of point.Point is for wearing out blood vessel
Inner wall 18.
The structure of the seal wire guide device 50 is simple, and operation is easy, and can be accurately positioned by the extending transversely of utricule 53
The position of through-hole, to make blood vessel inner wall 18 trepanning position it is more accurate.
In one example, which includes first through hole 57 and the second through-hole 58.First through hole 57 and
Two through-holes 58 are disposed opposite to each other.In this way, operator more easily determines inner wall 18 of which through-hole close to blood vessel.
It should be noted that due to material difference, therefore the shadow of the through-hole on blood vessel, utricule 53, utricule 53 over the display
As different.Those skilled in the art can determine the position of the through-hole of the inner wall 18 close to blood vessel according to image.
Preferably, as shown in figure 4, first through hole 57 and the second through-hole 58 be located at the utricule 53 of expanded state it is upper,
In lower two stretching surface.Stretching surface is the face that is formed after 53 extending transversely of utricule.First through hole 57 and the second through-hole 58 distinguish position
In in two stretching surface.For example, first through hole 57 is located in the first stretching surface 67.Second through-hole 58 is located at the second stretching surface 68
On.For two through-holes 57,58 perpendicular to the stretching surface at place, this makes the positioning of two through-holes 57,58 more accurate, and is easier
Judge which through-hole closer to blood vessel inner wall 18.
In one example, seal wire guide device 50 further includes developing apparatus.Developing apparatus is corresponded with through-hole, with mark
Remember the position of corresponding through-hole.For example, developing apparatus is made by the material that can develop under x-ray bombardment.Development dress
The development effect set becomes apparent from, this enables the operator to the position for more easily judging through-hole, to determine whether to reach setting
Position.
Optionally, the material for making developing apparatus includes at least one of platinum, tungsten, bismuth and barium metal material, or
The alloy material of above-mentioned at least two metal material of person, or the high molecular material added with above-mentioned at least one metal material.
Above-mentioned material all has good development effect.
Those skilled in the art can should according to actual needs select the type of developing material.
In one example, as seen in figs. 5-6, developing apparatus includes ring 63 and arm 64.Arm 64 is connect simultaneously with ring 63
And along the axially extending of ring 63.Ring 63 is located in utricule 53 and is set in the outside of inner catheter 51.Arm 64 is directed toward through-hole.Axis
To as shown in A arrows in Fig. 6.
For example, developing apparatus is made by above-mentioned material.It can, casting stamped by metal material or alloy material
Mode be integrally formed;Or the high molecular material injection molding containing above-mentioned metal material.Ring 63 is led in being injection-moulded in
The outside of pipe 51 can also be bonded in the outside of inner catheter 51 by way of bonding.It is logical that first developing apparatus 60 is located at first
57 outside of hole, the arm of the first developing apparatus 60 are directed toward first through hole 57.Second developing apparatus 65 is located at 58 outside of the second through-hole,
The arm of second developing apparatus 65 is directed toward the second through-hole 58.
The developing apparatus is connected firmly with inner catheter 51, and development effect is good.
The structure of developing apparatus is not limited to the above embodiments, and those skilled in the art can set according to actual needs
It sets.
In one example, seal wire guide device 50 further includes bull female Luer 59.Bull female Luer 59 has more
A entrance.Bull female Luer 59 is connect with the proximal end of inner catheter 51 and outer catheter 52.Bull female Luer 59 includes and first
The first entrance 61 that pipeline 55 is connected to and the second entrance 62 being connected to the second pipeline 56.62 phase of first entrance 61 and second entrance
Mutually isolation.Operator is by 62 injecting fluid of second entrance or gas, so that utricule 53 is full;And pass through first entrance 61
Elbow seal wire 10 is extend into 53 first pipeline 55 of utricule.
The setting of bull female Luer 59 is so that elbow seal wire 10 and being passed through for full medium become easy.
It should be noted that when full medium is liquid, operator should first will be in the second pipeline 56 and utricule 53
The gas retained excludes;Then, it is filled with liquid, to avoid vapour lock is formed, causes the extending transversely of utricule 53 insufficient.
In addition, this mode, when utricule 53, inner catheter 51 or outer catheter 52 are accidentally punctured, not have gas
Remain in patient's body.
In one example, utricule 53, inner catheter 51 and outer catheter 52 are integrally formed.For example, utricule 53, inner catheter
51 and outer catheter 52 material be plastics, rubber or silica gel, be integrally formed by way of injection molding.This makes seal wire draw
The making for leading device 50 becomes easy.
In addition, the structural strength higher of seal wire guide device 50.
Or
Utricule 53 is connect by binder with inner catheter 51 and outer catheter 52.For example, utricule 53, inner catheter 51 and outer catheter
52 are separately formed.Then, it is fixed together using binder.Medical instant drying adhesive can be used in binder.For example, 4011,4061,
4161, the glue such as 4601.
Or
Utricule 53 is connect by way of hot-fusible high-molecular with inner catheter 51 and outer catheter 52, i.e., by utricule 53 and inner catheter
51 and outer catheter 52 weld together.
According to another embodiment of the invention, a kind of interventional therapy device is provided.The interventional therapy device includes curved
Head seal wire 10 and the seal wire guide device 50 provided in an embodiment of the present invention for interventional treatment.The tip of elbow seal wire 10 via
Through-hole pierces through the inner wall 18 of blood vessel, to enter in lumen of vessels 44.
The interventional therapy device has easy to operate, accurate positioning, establishes the fast feature of channel speed.
Although some specific embodiments of the present invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to illustrating, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above example.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of seal wire guide device for interventional treatment, which is characterized in that described including inner catheter, outer catheter and utricule
There is the first pipeline of perforation proximally and distally, the outer catheter to be set in the outside of the inner catheter for the inside of inner catheter, with
The second pipeline is formed between the outer catheter and the inner catheter, the distal end of second pipeline is closed, the utricule
It is arranged on the outside of the outer catheter, the utricule and second pipeline connection;
Further include at least one through-hole through the utricule, the through-hole and first pipeline connection;The utricule is by structure
Make in expanded state can extending transversely, with the position of the fixation through-hole.
2. the seal wire guide device according to claim 1 for interventional treatment, which is characterized in that described at least one logical
Hole includes first through hole and the second through-hole, and the first through hole and second through-hole are disposed opposite to each other.
3. the seal wire guide device according to claim 2 for interventional treatment, which is characterized in that the first through hole and
Second through-hole is located in upper and lower two stretching surface of the utricule of expanded state.
4. the seal wire guide device according to claim 1 for interventional treatment, which is characterized in that further include development dress
It sets, the developing apparatus is corresponded with the through-hole, to mark the position of the corresponding through-hole.
5. the seal wire guide device according to claim 4 for interventional treatment, which is characterized in that the developing apparatus packet
Ring and arm are included, the arm connect with the ring and along the axially extending of the ring, and the ring is located in the utricule simultaneously
And it is set in the outside of the inner catheter, the arm is directed toward the through-hole.
6. the seal wire guide device for interventional treatment according to claim 4 or 5, which is characterized in that for making
The material of developing apparatus includes at least one of platinum, tungsten, bismuth and barium metal material or above-mentioned at least two metal material
Alloy material, or the high molecular material added with above-mentioned at least one metal material.
7. the seal wire guide device according to claim 1 for interventional treatment, which is characterized in that further include bull Rule
Connector, the bull female Luer are connect with the proximal end of the inner catheter and the outer catheter, and the bull female Luer includes
Second entrance with the first entrance of first pipeline connection and with second pipeline connection.
8. the seal wire guide device according to claim 1 for interventional treatment, which is characterized in that fill brine into utricule
So that the utricule extending transversely.
9. the seal wire guide device according to claim 1 for interventional treatment, which is characterized in that the utricule, described
Inner catheter and the outer catheter are integrally formed;Or
The utricule is connect by binder with the inner catheter and the outer catheter;Or
The utricule is connect by hot-fusible high-molecular with the inner catheter and the outer catheter.
10. a kind of interventional therapy device, which is characterized in that including elbow seal wire and such as any one institute in claim 1-9
The inner wall of blood vessel is pierced through at the seal wire guide device for interventional treatment stated, the tip of the elbow seal wire via the through-hole,
To enter in lumen of vessels.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810025998.9A CN108378895A (en) | 2018-01-11 | 2018-01-11 | Seal wire guide device and interventional therapy device for interventional treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810025998.9A CN108378895A (en) | 2018-01-11 | 2018-01-11 | Seal wire guide device and interventional therapy device for interventional treatment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108378895A true CN108378895A (en) | 2018-08-10 |
Family
ID=63076087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810025998.9A Pending CN108378895A (en) | 2018-01-11 | 2018-01-11 | Seal wire guide device and interventional therapy device for interventional treatment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108378895A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109173021A (en) * | 2018-10-10 | 2019-01-11 | 郑州大学第附属医院 | A kind of the calcification score conduit and its manufacturing method of holding power reinforcement |
CN111449722A (en) * | 2020-04-08 | 2020-07-28 | 上海心玮医疗科技有限公司 | Intravascular delivery system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009100129A2 (en) * | 2008-02-05 | 2009-08-13 | Chad John Kugler | Crossing occlusions in blood vessels |
CN104436417A (en) * | 2013-09-13 | 2015-03-25 | 郭军 | Perfusion thrombolysis catheter used in human blood vessel |
US20160074627A1 (en) * | 2014-09-15 | 2016-03-17 | Orbusneich Medical, Inc. | Vascular Re-entry Catheter |
US20160192952A1 (en) * | 2012-09-10 | 2016-07-07 | Cook Medical Technologies Llc | Reentry device |
CN205903514U (en) * | 2016-04-21 | 2017-01-25 | 青岛智辰生物科技有限公司 | Multicavity way sacculus pipe |
-
2018
- 2018-01-11 CN CN201810025998.9A patent/CN108378895A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009100129A2 (en) * | 2008-02-05 | 2009-08-13 | Chad John Kugler | Crossing occlusions in blood vessels |
US20160192952A1 (en) * | 2012-09-10 | 2016-07-07 | Cook Medical Technologies Llc | Reentry device |
CN104436417A (en) * | 2013-09-13 | 2015-03-25 | 郭军 | Perfusion thrombolysis catheter used in human blood vessel |
US20160074627A1 (en) * | 2014-09-15 | 2016-03-17 | Orbusneich Medical, Inc. | Vascular Re-entry Catheter |
CN205903514U (en) * | 2016-04-21 | 2017-01-25 | 青岛智辰生物科技有限公司 | Multicavity way sacculus pipe |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109173021A (en) * | 2018-10-10 | 2019-01-11 | 郑州大学第附属医院 | A kind of the calcification score conduit and its manufacturing method of holding power reinforcement |
CN111449722A (en) * | 2020-04-08 | 2020-07-28 | 上海心玮医疗科技有限公司 | Intravascular delivery system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20220313313A1 (en) | Puncturing device and anchoring device | |
US4290428A (en) | Catheter with bulb | |
CN106137332B (en) | Ultrasound intervention sting device and piercing assembly | |
JPS6027538B2 (en) | Device that extracts and injects blood at the same time | |
CN107847714A (en) | Lancing system | |
US10588659B2 (en) | Intravascular memory metal puncture system and use thereof | |
US20160271321A1 (en) | Directional sheath and related method of use | |
CN106264687A (en) | Adjustable diacan and the indwelling casing tube supporting with it and outer jointing jacket | |
CN112206399A (en) | Vascular catheter sheath assembly | |
CN106725643A (en) | For the membrane-repturing device of Endovascular operation | |
CN108378895A (en) | Seal wire guide device and interventional therapy device for interventional treatment | |
CN206473380U (en) | Adjustable diacan and the indwelling casing tube supporting with it | |
US20170043086A1 (en) | Enhanced cannulation method and needles | |
CN205913380U (en) | Piercing depth and puncture assembly are intervene to supersound | |
CN108378904A (en) | Interventional therapy device | |
CN107802939B (en) | Double-cavity radiography catheter | |
CN104771152A (en) | Puncture method of artery puncture needle for invasive arterial blood pressure monitoring | |
CN211410606U (en) | Double-cavity radiography catheter | |
CN108836419A (en) | A kind of first aid aorta and its branch vessel temporary blocking device | |
CN104208797B (en) | A kind of conduit gatherer | |
CN107485757A (en) | Novel remaining needle | |
US10736614B2 (en) | Intravascular memory metal puncture needle and use thereof | |
CN209173169U (en) | A kind of trans-radial interposing catheter | |
CN105232173A (en) | Indwelling arteria femoralis puncture sheath and application thereof | |
US20210138210A1 (en) | Balloon catheter assembly for insertion and positioning therapeutic devices within a vascular system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180810 |